{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-12305", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "state": "PUBLISHED", "assignerShortName": "mozilla", "dateReserved": "2026-06-15T15:08:12.602Z", "datePublished": "2026-06-16T11:52:38.793Z", "dateUpdated": "2026-06-16T11:52:38.793Z"}, "containers": {"cna": {"affected": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"status": "unaffected", "version": "140.12", "lessThanOrEqual": "140.*", "versionType": "rpm"}, {"status": "unaffected", "version": "152", "lessThanOrEqual": "*", "versionType": "rpm"}]}], "descriptions": [{"lang": "en", "value": "Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12."}]}], "title": "Memory safety bug fixed in Firefox 152", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2037290"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-57/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-58/"}], "credits": [{"lang": "en", "value": "Zijie Zhao"}], "providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2026-06-16T11:52:38.793Z"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12."}], "id": "CVE-2026-12305", "lastModified": "2026-06-16T14:51:31.350", "metrics": {}, "published": "2026-06-16T13:16:30.743", "references": [{"source": "security@mozilla.org", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2037290"}, {"source": "security@mozilla.org", "url": "https://www.mozilla.org/security/advisories/mfsa2026-57/"}, {"source": "security@mozilla.org", "url": "https://www.mozilla.org/security/advisories/mfsa2026-58/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Undergoing Analysis"}

{}

{}